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fix fonts (properly this time)

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Matthew 2025-12-28 14:00:54 +11:00
parent c00c404006
commit 74f992ade1
1 changed files with 6 additions and 3 deletions
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9
fonts.d
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@ -87,7 +87,7 @@ DeMultiply(u8 color, u8 alpha)
} }
FontAtlasBuf FontAtlasBuf
CreateAtlas(Arena* arena, FontFace font, f32 size, u32 dimension) CreateAtlas(Arena* arena, FontFace font, f32 size, u32 dimension, bool y_origin_top = true)
{ {
assert(dimension >= 128, "Dimension must be at least 128"); assert(dimension >= 128, "Dimension must be at least 128");
@ -240,14 +240,16 @@ CreateAtlas(Arena* arena, FontFace font, f32 size, u32 dimension)
f32 height = glyph.metrics.height >> 6; f32 height = glyph.metrics.height >> 6;
f32 width = glyph.metrics.width >> 6; f32 width = glyph.metrics.width >> 6;
f32 top = -font.glyph.bitmap_top; f32 top = font.glyph.bitmap_top;
f32 left = font.glyph.bitmap_left; f32 left = font.glyph.bitmap_left;
static assert(y_origin_top, "only y_origin_top is currently supported");
g.ch = cast(dchar)char_code; g.ch = cast(dchar)char_code;
g.advance = cast(f32)(glyph.advance.x >> 6); g.advance = cast(f32)(glyph.advance.x >> 6);
g.plane_left = left; g.plane_left = left;
g.plane_right = g.plane_left + width; g.plane_right = g.plane_left + width;
g.plane_top = top; g.plane_top = cast(f32)(bbox_ymax) - top;
g.plane_bottom = g.plane_top + height; g.plane_bottom = g.plane_top + height;
g.atlas_top = max_h; g.atlas_top = max_h;
@ -265,3 +267,4 @@ CreateAtlas(Arena* arena, FontFace font, f32 size, u32 dimension)
return abuf; return abuf;
} }